Why I Believe Corporate Finance Doesn’t Behave the Way We Think It Does

Corporate finance is not just about numbers but it is about when you move, what constrains you, and who you watch while making the decision.

A Practitioner’s Perspective on Capital Structure, Market Behavior, and Decision Making in India

When I began working on my doctoral research, I was not trying to challenge corporate finance theory. I was trying to understand it better.

But somewhere along the way, a different realization emerged.

Many of the things we take for granted in corporate finance like how firms adjust their capital structures, how they decide payouts, how markets interpret these actions, are far less predictable and far more context-driven than traditional models suggest.

What started as an academic inquiry became a broader question.

Are we understanding corporate financial behavior correctly, or are we overfitting neat theories onto messy realities?

The Comfort of Models, and Their Hidden Limitations

Corporate finance has always leaned heavily on models. These models promise clarity. They offer measurable insights, such as how quickly firms adjust toward an optimal capital structure.

At first glance, this seems straightforward.

But as I dug deeper, I found something unsettling.

The “speed of adjustment,” which is widely used as a benchmark in financial research, is not a stable or universally reliable measure. It is highly sensitive to the estimation techniques used. In fact, different models applied to the same data can produce significantly different conclusions  .

That changes the conversation entirely.

Because if the measurement itself is unstable, then what we often interpret as firm behavior may, in part, be a reflection of methodological choice rather than economic reality.

For me, this was a turning point.

It forced me to move away from treating models as definitive answers and start seeing them as tools; useful, but imperfect.

“Corporate finance is not a story of perfect optimisation. It is a story of adjustment, constraint, and observation. Firms do not move in straight lines toward ideal structures; they navigate cycles, respond to friction, and often take cues from the behaviour of those around them. Understanding this reality is where theory ends and strategy begins.”

Why Firms Don’t Adjust Uniformly

One of the central questions I explored was simple: how do firms move toward their target capital structures over time?

The traditional expectation is gradual, steady adjustment.

What I found instead was far more dynamic.

Firms do not adjust at a constant rate. Their behavior changes depending on where they are in the economic cycle. During periods of growth, firms tend to adjust more quickly. When the economy slows down, that adjustment process becomes significantly slower  .

This is not just a statistical observation. It reflects how businesses actually operate.

In a strong economy, access to capital improves, risk tolerance increases, and strategic decisions can be executed with confidence. In a downturn, uncertainty rises, constraints tighten, and even necessary adjustments are delayed.

What this really means is that capital structure is not just a financial decision. It is a timing decision.

And timing, as any operator knows, is everything.

The Structural Divide Between Firms

Another insight that stood out to me was the uneven nature of financial adjustment.

Not all firms respond the same way to the same environment.

Firms with strong earnings and clear growth opportunities move faster toward their financial targets. They have the internal resources and external credibility to act decisively.

On the other hand, firms with limited internal capital and weaker growth prospects tend to lag. They are more exposed to market shocks and less able to adapt when conditions change  .

This creates a compounding effect.

Stronger firms gain flexibility and momentum. Weaker firms become more constrained over time.

From a strategic standpoint, this reinforces something I have observed in practice as well.

Financial strength is not just about survival. It is about optionality.

It gives firms the ability to act when it matters most.

The Influence Firms Don’t Admit

Perhaps the most interesting part of my research was exploring how firms make payout decisions, particularly dividends.

We often assume these decisions are internally driven. That firms act based on their own performance, strategy, and shareholder expectations.

But the data suggests otherwise.

Firms are influenced by what their peers are doing. And not just broadly within the industry, but more strongly by firms that are geographically closer to them  .

This was a fascinating insight.

Because it introduces a social dimension to financial decision-making.

In periods of uncertainty, when internal signals are less clear, firms look outward. They observe. They align. Sometimes consciously, sometimes subconsciously.

In effect, financial decisions become partially imitative.

This is not irrational behavior. It is adaptive behavior.

But it does challenge the idea that firms operate as completely independent decision-making units.

Why India Changes the Way We See Finance

A significant part of my work focuses on India, and that context matters.

Most corporate finance theories are built on data from developed markets, where systems are more structured and information flows are more transparent.

India operates differently.

Market frictions are more visible. Information asymmetry is more pronounced. Access to capital varies significantly across firms. And peer influence plays a more tangible role.

What I found is that these conditions do not break existing theories. They amplify them.

They make underlying dynamics more visible.

For example, adjustment costs are not just theoretical constructs in India. They are real constraints. Peer effects are not subtle influences. They are observable patterns.

This makes India an incredibly valuable context for studying corporate finance behavior.

Not as an exception, but as a lens.

What This Means for How I Think About Finance

If I step back and reflect on the broader implications of this research, three ideas stand out.

First, we need to be more critical of the tools we use. Models are powerful, but they are not neutral. The choice of method can shape the conclusions we draw.

Second, financial strategy must be dynamic. Firms do not operate in static environments, and their financial decisions cannot be static either. Context matters. Timing matters.

Third, firms do not act in isolation. They are part of a broader ecosystem where peer behavior, especially in uncertain environments, plays a meaningful role.

For me, this shifts the way I think about corporate finance.

It is no longer just about optimization. It is about adaptation.

A Closing Thought

If there is one takeaway from my research, it is this.

Corporate finance is not as mechanical as we often make it out to be.

It is influenced by cycles, constrained by frictions, and shaped by observation.

Firms adjust not just based on what is optimal, but based on what is possible, what is visible, and sometimes, what others are doing.

And once you start looking at it that way, the patterns begin to make a lot more sense.